PAULA, J. A. de. The Dialectic Values and Prices. Brazilian Journal of Political Economy, [S. l.], v. 20, n. 4, p. 480-500, 2000. DOI: 10.1590/0101-31572000-1062. Disponível em: https://centrodeeconomiapolitica.org.br/repojs/index.php/journal/article/view/1040. Acesso em: 27 apr. 2024.